The Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.
<h3>What is plate tectonics?</h3>
The expression 'plate tectonics' makes reference to the creation of landforms due to Earth's movement.
The Appalachian Mountains were formed due to the collision between different continental plates.
In conclusion, the Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.
Learn more about plate tectonics here:
brainly.com/question/14307885
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